12 lines
1.9 KiB
Plaintext
12 lines
1.9 KiB
Plaintext
\begin{Verbatim}[commandchars=\\\{\},numbers=left,firstnumber=1,stepnumber=1,codes={\catcode`\$=3\catcode`\^=7\catcode`\_=8\relax},xleftmargin=5mm]
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\PY{k}{predicate}\PY{l+s}{ }\PY{n+nf}{simulated\PYZus{}annealing}\PY{p}{(}\PY{k+kt}{float}\PY{p}{:}\PY{l+s}{ }\PY{n+nv}{init\PYZus{}temp}\PY{p}{,}\PY{l+s}{ }\PY{k+kt}{float}\PY{p}{:}\PY{l+s}{ }\PY{n+nv}{cooling\PYZus{}rate}\PY{p}{)}\PY{l+s}{ }\PY{o}{=}
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\PY{l+s}{ }\PY{l+s}{ }\PY{k}{let}\PY{l+s}{ }\PY{p}{\PYZob{}}
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\PY{l+s}{ }\PY{l+s}{ }\PY{l+s}{ }\PY{l+s}{ }\PY{k+kt}{var}\PY{l+s}{ }\PY{k+kt}{float}\PY{p}{:}\PY{l+s}{ }\PY{n+nv}{temp}\PY{p}{;}
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\PY{l+s}{ }\PY{l+s}{ }\PY{p}{\PYZcb{}}\PY{l+s}{ }\PY{o}{in}\PY{l+s}{ }\PY{k}{if}\PY{l+s}{ }\PY{n+nf}{status}\PY{p}{(}\PY{p}{)}\PY{l+s}{ }\PY{o}{=}\PY{l+s}{ }\PY{n+nv}{START}\PY{l+s}{ }\PY{k}{then}
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\PY{l+s}{ }\PY{l+s}{ }\PY{l+s}{ }\PY{l+s}{ }\PY{n+nv}{temp}\PY{l+s}{ }\PY{o}{=}\PY{l+s}{ }\PY{n+nv}{init\PYZus{}temp}
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\PY{l+s}{ }\PY{l+s}{ }\PY{k}{else}
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\PY{l+s}{ }\PY{l+s}{ }\PY{l+s}{ }\PY{l+s}{ }\PY{n+nv}{temp}\PY{l+s}{ }\PY{o}{=}\PY{l+s}{ }\PY{n+nf}{last\PYZus{}val}\PY{p}{(}\PY{n+nv}{temp}\PY{p}{)}\PY{l+s}{ }\PY{o}{*}\PY{l+s}{ }\PY{p}{(}\PY{l+m}{1}\PY{l+s}{ }\PY{o}{\PYZhy{}}\PY{l+s}{ }\PY{n+nv}{cooling\PYZus{}rate}\PY{p}{)}\PY{l+s}{ }\PY{c}{\PYZpc{} cool down}
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\PY{l+s}{ }\PY{l+s}{ }\PY{l+s}{ }\PY{l+s}{ }\PY{o}{/\PYZbs{}}\PY{l+s}{ }\PY{l+s}{\PYZus{}}\PY{l+s}{o}\PY{l+s}{b}\PY{l+s}{j}\PY{l+s}{e}\PY{l+s}{c}\PY{l+s}{t}\PY{l+s}{i}\PY{l+s}{v}\PY{l+s}{e}\PY{l+s}{ }\PY{o}{\PYZlt{}}\PY{l+s}{ }\PY{n+nf}{sol}\PY{p}{(}\PY{l+s}{\PYZus{}}\PY{l+s}{o}\PY{l+s}{b}\PY{l+s}{j}\PY{l+s}{e}\PY{l+s}{c}\PY{l+s}{t}\PY{l+s}{i}\PY{l+s}{v}\PY{l+s}{e}\PY{p}{)}\PY{l+s}{ }\PY{o}{\PYZhy{}}\PY{l+s}{ }\PY{n+nb}{ceil}\PY{p}{(}\PY{n+nb}{log}\PY{p}{(}\PY{n+nf}{uniform}\PY{p}{(}\PY{l+m}{0.0}\PY{p}{,}\PY{l+s}{ }\PY{l+m}{1.0}\PY{p}{)}\PY{p}{)}\PY{l+s}{ }\PY{o}{*}\PY{l+s}{ }\PY{n+nv}{temp}\PY{p}{)}
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\PY{l+s}{ }\PY{l+s}{ }\PY{k}{endif}\PY{p}{;}
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\end{Verbatim}
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